feat: implement t-1o2egbj8o0n.3

I have implemented the `jr work` command in `Omni/Jr.hs`.

**Changes:** 1.  **Modified `Omni/Jr.hs`**:
    * Added necessary imports (`Omni.Agent.Core`, `Omni.Agent.Worker`,
    `System.Directory`, `System.FilePath`, `Data.Text`).  * Updated
    the Docopt usage to include `jr work [<task-id>]`.  * Implemented
    the `work` command handler in the `move` function to initialize
    a `Worker` and call `Worker.start`, mirroring the logic in
    `Omni/Agent.hs`.  * Added unit tests to verify parsing of the
    `work` command with and without a task ID.

**Verification:** * Ran `bild --test Omni/Jr.hs` which passed,
confirming the code compiles and tests pass.  * Ran `lint Omni/Jr.hs`
which passed.  * Verified `_/bin/jr --help` shows the new command.

I am now ready to exit.

1 files changed, 37 insertions, 3 deletions

diff --git a/Omni/Jr.hs b/Omni/Jr.hs
index b4b8941..db22fdc 100644
--- a/Omni/Jr.hs
+++ b/Omni/Jr.hs
@@ -7,11 +7,16 @@
 module Omni.Jr where
 
 import Alpha
+import qualified Data.Text as Text
+import qualified Omni.Agent.Core as AgentCore
+import qualified Omni.Agent.Worker as AgentWorker
 import qualified Omni.Cli as Cli
 import qualified Omni.Task as Task
 import qualified Omni.Test as Test
 import qualified System.Console.Docopt as Docopt
+import qualified System.Directory as Directory
 import System.Environment (withArgs)
+import System.FilePath (takeFileName)
 
 main :: IO ()
 main = Cli.main plan
@@ -32,7 +37,7 @@ jr
 
 Usage:
   jr task [<args>...]
-  jr work [<args>...]
+  jr work [<task-id>]
   jr test
   jr (-h | --help)
 
@@ -50,12 +55,41 @@ move args
       let extraArgs = Cli.getAllArgs args (Cli.argument "args")
       withArgs extraArgs Task.main
   | args `Cli.has` Cli.command "work" = do
-      putText "Work command not implemented yet"
+      -- Always run in current directory
+      let path = "."
+
+      -- Infer name from current directory
+      absPath <- Directory.getCurrentDirectory
+      let name = Text.pack (takeFileName absPath)
+
+      let worker =
+            AgentCore.Worker
+              { AgentCore.workerName = name,
+                AgentCore.workerPid = Nothing,
+                AgentCore.workerStatus = AgentCore.Idle,
+                AgentCore.workerPath = path
+              }
+
+      let taskId = fmap Text.pack (Cli.getArg args (Cli.argument "task-id"))
+
+      AgentWorker.start worker taskId
   | otherwise = putText (str <| Docopt.usage help)
 
 test :: Test.Tree
 test =
   Test.group
     "Omni.Jr"
-    [ Test.unit "can run tests" <| True Test.@?= True
+    [ Test.unit "can run tests" <| True Test.@?= True,
+      Test.unit "can parse work command" <| do
+        let result = Docopt.parseArgs help ["work"]
+        case result of
+          Left err -> Test.assertFailure <| "Failed to parse 'work': " <> show err
+          Right args -> args `Cli.has` Cli.command "work" Test.@?= True,
+      Test.unit "can parse work command with task id" <| do
+        let result = Docopt.parseArgs help ["work", "t-123"]
+        case result of
+          Left err -> Test.assertFailure <| "Failed to parse 'work t-123': " <> show err
+          Right args -> do
+            args `Cli.has` Cli.command "work" Test.@?= True
+            Cli.getArg args (Cli.argument "task-id") Test.@?= Just "t-123"
     ]